Show HN: Pg_CRDT – an experimental CRDT extension for Postgres

• pg_crdt

  2 285 10.0 Rust

  POC CRDT support in Postgres

  

  This is an experimental extension for CRDTs, `pg_crdt`[0]. It supports Yjs/Yrs and Automerge.

  The linked blog post describes how we're thinking about this extension in a Supabase context. Ideally this "Show HN" generates some discussion/interest, both here and in the github discussions [1].

  I want to emphasise this part from the blog post[2]: "pg_crdt has not been released onto the Supabase platform (and it may never be). We’re considering many options for offline-sync/support and, while CRDTs will undoubtedly factor in, we’re not sure if this is the right approach."

  [0] GitHub repo: https://github.com/supabase/pg_crdt

  [1] Discussions: https://github.com/supabase/pg_crdt/discussions

  [2] Blog post: https://supabase.com/blog/postgres-crdt

• yjs

  24 11,040 6.7 JavaScript

  Shared data types for building collaborative software

  

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• automerge

  15 1,245 4.9 JavaScript

  A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically.

  

• y-crdt

  6 877 8.6 Rust

  Rust port of Yjs

  

  Yrs (Yjs on Rust) maintainer here: we actually had some idea about building extension to Postgres ;) See: https://github.com/y-crdt/y-crdt/issues/220

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